Two vehicles were set on fire at the Tyson plant Wednesday afternoon. Workers at the plant were able to extinguish the flames. According to Potter County Sheriff Brian Thomas the suspect knocked out the windows of two cars, poured gasoline in and on top of the cars lighting them on fire. Thomas says they are still looking for a suspect, and deputies are chasing down a lead. That lead, led deputies to a maroon pickup that authorities believe was involved with the fire. The pickup has been located and impounded, it was found at a residence in northeast Amarillo. The suspect was not with the vehicle. If you have any information call Potter County Sheriff's Office at 379-2900.